{"note":"bim_versions 導入後の保存のみ記録 (それ以前は bim_canonical 上書きで履歴なし)","ok":true,"slug":"u-house-3wo9r717","versions":[{"created_at":"2026-06-04T16:59:55Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.4->100.0)","saved_by":"editor","sha256":"0899d1a0da436cab32c63255c191b1c50dec62f7f944e7cf20635f14d4c07a8f","version":12},{"created_at":"2026-06-04T14:57:07Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (92.1->92.4)","saved_by":"editor","sha256":"66eb764131d36f66ed147399908fb0f4806a59a162b56d92fcd0da701a90d2d1","version":11},{"created_at":"2026-06-04T05:52:48Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 94.6→92.1 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 92.1 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"bf73718c86312964f7c2bd1d45aa74a17aed5735413b0ad789532db944196a4d","version":10},{"created_at":"2026-06-04T04:55:55Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 58.8→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"8def80ca9ffe4261f093028849f67f14b4c531312799aa88a7e86f0bdf908e82","version":9},{"created_at":"2026-06-04T04:55:55Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"31d102990e030f3e3ebbd7e1f218dd32894a97566cb326265bc3b81c38933aea","version":8}]}